Granted Patent B2

US 11,205,852 · App. 16/829,148 · Granted Dec 21, 2021

Inventors: Bo Wu (Suzhou, CN); Martin L. Zimmerman (Chicago, IL); Björn Lindmark (Sollentuna, SE); Hangsheng Wen (Suzhou, CN); PuLiang Tang (Suzhou, CN); Jian Zhang (Suzhou, CN); Xun Zhang (Suzhou, CN); Ligang Wu (Suzhou, CN); Zhigang Wang (Suzhou, CN); Ruixin Su (Suzhou, CN); Maosheng Liu (Suzhou, CN); Rui An (Suzhou, CN)

Assignee: CommScope Technologies LLC

H01Q9/065H01Q1/405H01Q5/321H01Q19/10H01Q21/30

Abstract

Claims (52)

1. A base station antenna comprising:

a reflector;

first and second vertical columns of low-band radiating elements on a surface of the reflector and configured to transmit radio frequency (“RF”) signals in a first frequency band; and

eight vertical columns of high-band radiating elements on the surface of the reflector and configured to transmit RF signals in a second frequency band that is higher than the first frequency band,

wherein a dipole arm of one of the low-band radiating elements overlies one of the high-band radiating elements in a direction that is perpendicular to the surface of the reflector.

2. The base station antenna of claim 1 ,

wherein the first and second vertical columns of low-band radiating elements are first and second outer columns, respectively, of low-band radiating elements, and

wherein the first and second outer columns of low-band radiating elements are between outer ones of the eight vertical columns of high-band radiating elements.

3. The base station antenna of claim 1 , wherein the eight vertical columns of high-band radiating elements comprise equal quantities of high-band radiating elements.

4. The base station antenna of claim 3 , wherein each of the eight vertical columns of high-band radiating elements comprises sixteen high-band radiating elements.

5. The base station antenna of claim 1 ,

wherein first and second vertical columns of the eight vertical columns of high-band radiating elements are between the first and second vertical columns of low-band radiating elements, and

wherein feed points of the first vertical column of low-band radiating elements are spaced apart from feed points of the second vertical column of low-band radiating elements by a horizontal distance equal to 0.4-0.8 of a wavelength of the first frequency band.

6. The base station antenna of claim 5 , wherein feed points of the first vertical column of the eight vertical columns of high-band radiating elements are staggered relative to feed points of the second vertical column of the eight vertical columns of high-band radiating elements.

7. A base station antenna comprising:

a reflector;

first and second vertical columns of low-band radiating elements on a surface of the reflector and configured to transmit radio frequency (“RF”) signals in a first frequency band; and

four vertical columns of high-band radiating elements on the surface of the reflector and configured to transmit RF signals in a second frequency band that is higher than the first frequency band,

wherein a horizontal distance between a feed point of the first vertical column of low-band radiating elements and a feed point of the second vertical column of low-band radiating elements is about 225 millimeters or narrower.

8. The base station antenna of claim 7 , wherein feed points of a first of the four vertical columns of high-band radiating elements are staggered relative to feed points of a second of the four vertical columns of high-band radiating elements.

9. The base station antenna of claim 8 , wherein the feed point of the first vertical column of low-band radiating elements is staggered relative to the feed point of the second vertical column of low-band radiating elements.

10. The base station antenna of claim 9 , wherein the feed point of the first vertical column of low-band radiating elements is aligned in a horizontal direction with one of the feed points of the second of the four vertical columns of high-band radiating elements.

11. The base station antenna of claim 7 , wherein a dipole arm of one of the low-band radiating elements overlies one of the high-band radiating elements in a direction that is perpendicular to the surface of the reflector.

12. The base station antenna of claim 11 , wherein the dipole arm of the one of the low-band radiating elements comprises a length equal to about half of a wavelength of the first frequency band.

13. The base station antenna of claim 7 ,

wherein the first and second vertical columns of low-band radiating elements are first and second outer columns, respectively, of low-band radiating elements,

wherein a feed point of a first outer one of the four vertical columns of high-band radiating elements is spaced apart from a feed point of a second outer one of the four vertical columns of high-band radiating elements by the horizontal distance of about 225 millimeters or narrower, and

wherein the feed point of the first vertical column of low-band radiating elements is aligned in a vertical direction with the feed point of the first outer one of the four vertical columns of high-band radiating elements.

14. The base station antenna of claim 7 , further comprising a power divider that is coupled to each of the four vertical columns of high-band radiating elements.

15. The base station antenna of claim 7 , wherein each of the four vertical columns of high-band radiating elements is individually fed.

16. The base station antenna of claim 7 , further comprising:

a radome, wherein the low-band radiating elements and the high-band radiating elements are inside the radome, and wherein the low-band radiating elements extend forward from the surface of the reflector toward a front side of the radome; and

a low-band connector on a back side of the radome that is opposite the front side, wherein the low-band connector is electrically coupled to one or more of the low-band radiating elements.

17. The base station antenna of claim 16 ,

wherein the low-band connector comprises a 90-degree connector, and

wherein the base station antenna further comprises a blind mate high-band connector that is on the back side of the radome and is electrically coupled to one or more of the high-band radiating elements.

18. The base station antenna of claim 16 , further comprising first and second pluralities of high-band connection ports on the back side of the radome, wherein the four vertical columns of high-band radiating elements comprise:

a first array of high-band radiating elements electrically coupled to the first plurality of high-band connection ports and configured to transmit RF signals in a first sub-band of the second frequency band; and

a second array of high-band radiating elements electrically coupled to the second plurality of high-band connection ports and configured to transmit RF signals in a second sub-band of the second frequency band that is different from the first sub-band.

19. A base station antenna comprising:

a reflector;

first and second vertical columns of low-band radiating elements on a surface of the reflector and configured to transmit radio frequency (“RF”) signals in a first frequency band;

first, second, third, and fourth vertical columns of high-band radiating elements on the surface of the reflector and configured to transmit RF signals in a second frequency band that is higher than the first frequency band;

a radome, wherein the low-band radiating elements and the high-band radiating elements are inside the radome, and wherein the low-band radiating elements extend forward from the surface of the reflector toward a front side of the radome;

a low-band connector on a back side of the radome that is opposite the front side, wherein the low-band connector is electrically coupled to one or more of the low-band radiating elements; and

a high-band connector that is on the back side of the radome and is electrically coupled to one or more of the high-band radiating elements.

20. The base station antenna of claim 19 ,

wherein the second and third vertical columns of high-band radiating elements are between, in a horizontal direction, the first and fourth vertical columns of high-band radiating elements,

wherein a low-band radiating element of the first vertical column of low-band radiating elements is between, in a vertical direction that is perpendicular to the horizontal direction, first and second high-band radiating elements of the first vertical column of high-band radiating elements,

wherein a distance in the horizontal direction between a center of the low-band radiating element of the first vertical column of low-band radiating elements and a center of a low-band radiating element of the second vertical column of low-band radiating elements is about 225 millimeters or narrower,

wherein the low-band connector comprises a 90-degree connector, and

wherein the high-band connector comprises a blind mate connector.

Assignments (15)

Priority Claims (1)

Continuity (1)

Cited By (4)

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